Eco-hydrologic stability zonation of dams and power plants using the combined models of SMCE and CEQUALW2

Springer Science and Business Media LLC - Tập 11 - Trang 1-7 - 2021
Rouhallah Fatahi Nafchi1, Pardis Yaghoobi2, Hamid Reaisi Vanani3, Kaveh Ostad‑Ali‑Askari4, Jafar Nouri5, Bizhan Maghsoudlou6
1Department of Water Engineering, College of Agriculture, Shahrekord University, Shahrekord, Iran
2Department of Environmental Management, Graduate School of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran
3Department of Water Engineering, College of Agriculture, Shahrekord University Shahrekord, Shahrekord, Iran
4Department of Water Engineering, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
5Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
6Department of the Environment, Faculty of Natural Resources, Meybod Branch, Islamic Azad University, Meybod, Iran

Tóm tắt

Construction of dams has a significant impact on hydrological conditions of rivers. Eco-hydrology, as a sub-discipline of hydrology, focusses on ecological processes occurring within the hydrological cycle and strives to utilize them for enhancing the environmental sustainability. The aim of this study was to determine the stable and instable eco-hydrologic regions in the study area. First, the factors affecting the eco-hydrologic stability were selected according to field surveys. Afterwards, the layers related to each factor were prepared in geographic information system (GIS) and ArcGIS 10 software. These factors were also weighted using the analytic hierarchy process and pairwise comparisons. Ultimately, the final map was prepared by integrating and determining the homogenous units. The CEQUALW2 software, as a water quality and hydrodynamic model, was used to confirm the accuracy of the quality data and to perform the water quality simulation in the studied dam. According to the results, pollutant source and water quality were found to be the most important factors. The final map indicated that most of the areas had not a suitable condition in terms of stability at the downstream reaches.

Tài liệu tham khảo

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